Science News - The Hindu

Reconstructed view of “baby Milky Way” SPT0418-47. Photo: ALMA (ESO/NAOJ/NRAO), Rizzo et al.

‘Baby’ Milky Way discovered 12 billion light years away

Infant star system challenges our understanding of the early years of the Universe.

Image courtesy: SDO/CoMP

Global magnetic field of Sun’s atmosphere measured for the first time

Shubashree Desikan

Asymptomatic people too carry high viral loads

R. Prasad The study underscores the importance of wearing masks, maintaining physical distancing to reduce chances of infections

Many unknowns: Terms such as immunity passports may not have relevance as we do not know about specific immune responses and duration of protection.

Is there a case for issuing immunity certificates?

R. Prasad While degree of protection conferred by natural infection is not known, no cases of true reinfection have been documented

Editor's Pick

Strategy wise: Countries implementing national social distancing policy showed greater reductions in transmision compared to those with regional policies.

Study finds physical distancing linked to drop in coronavirus spread

PTI Over two weeks, 46 countries prevented an estimated 1.57 million cases

Wild animals in urban clusters

D. Balasubramanian

The COVID-19 effect

High grade: A ventilator has to be exactly calibrated or it can cause altered pressure changes.

Ventilators can heal but also harm

M.R. Rajagopal An evaluation is needed to assess what the patient needs

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Watch | Dogs, cats and COVID-19

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‘Baby’ Milky Way discovered 12 billion light years away

Scientists find 77 new butterfly species in Matheran

Is there a case for issuing immunity certificates?

Flying high, flying straight

Coronavirus | Asymptomatic people too carry high viral loads

Studying P. vivax malaria

Coronavirus | WHO chief scientist warns against ‘vaccine nationalism’

Soumya Swaminathan called for a multilateral approach to vaccine deployment and distribution

Global magnetic field of Sun’s atmosphere measured for the first time

This can help solve several puzzles about the solar atmosphere

Watch | Dogs, cats and COVID-19

A video on researchers finding neutralising antibodies to the SARS CoV-2 virus in cats and dogs

SpaceX capsule with NASA crew safely home

2 astronauts splash down off Florida; Elon Musk rushes to Houston to greet them

Air pollution helps COVID transmission, finds study

Improved air quality during lockdown may have reduced chances of infection

IISER team maps evolutionary dispersal patterns

Study of biological movement is applicable to epidemiology, conservation and agricultural pests

Coronavirus | Strict lockdowns after four to five months of the pandemic are not justified, says AIIMS professor

There are health problems other than COVID-19 that need attention, and this lockdown has disrupted all these health-related activities. So people are really suffering, Dr. Sanjay Rai says.

Gene variants and susceptibility to schizophrenia

A pilot study of 97 people with schizophrenia finds an association between immune response genes and the disorder

Question Corner: How fire ants float

Readers may send their questions/answers to questioncorner@thehindu.co.in

Novel coronavirus circulated unnoticed in bats for decades, study says

SARS-CoV-2 virus diverged from closely related bat viruses 40-70 years ago

Study finds physical distancing linked to drop in coronavirus spread

Over two weeks, 46 countries prevented an estimated 1.57 million cases

Arming India’s poor against the pandemic - 2

Gratified by the suggestions and critiques of our earlier article of July 19: ‘Arming India’s poor against the pandemic’, we offer an updated Part 2

Watch | Polar bears could go extinct by 2100

A video on climate change starving polar bears into extinction

NASA launches Mars rover Perseverance to look for signs of ancient life

NASA’s Perseverance rode a mighty Atlas V rocket into a clear morning sky in the world’s third and final Mars launch of the summer

Watch | All you need to know about NASA's Perseverance rover

A video explainer on NASA's Perseverance rover

NASA set to launch robotic rover to seek signs of past Martian life

Perseverance will carry out an experiment to convert elements of the carbon dioxide-rich Martian atmosphere into propellant for future rockets launching off the planet's surface.

IITH researchers use corn husk to produce carbon electrode for super capacitors

Corn husk waste, currently burnt, has potential to be converted to a valuable electrode material and provide additional earnings to the farmer

Evidence of SARS-CoV-2 exposure found in household cats, dogs in Italy

Researchers have tested samples from over 500 pets collected during visits to vets in Northern Italy.

Majority of the ‘mysterious’ diseases are ‘missed’ diagnosis: experts

They highlight lack of proper training in outbreak investigations and poor investigational facilities at district level, they say

How young Asian elephants learn to bend their trunks left or right

The first-of-its-kind study of wild elephant calves found that laterality develops even at three months of age.

Question Corner: How far and fast do chameleon tongues move?

Readers may send their questions/answers to questioncorner@thehindu.co.in

How wearing masks cut coronavirus transmission to 139 clients in a salon

Both stylists and most clients were wearing masks during the entire duration of each appointment.

Of mice and SARS-CoV-2

Human-relevant systems are needed to understand COVID-19

Meet the ‘tiny bug slayer’, ancient relative of dinosaurs and pterosaurs

The fossil’s tiny body size may help explain the origin of flight in pterosaurs

Watch | How does a lizard lose its tail?

A video on the self-amputation lizards perform while being attacked by predators known as autotomy

China launches first Mars mission

China aims to catch up with India, the US, Russia and the European Union to reach the red planet.

Watch | All about the Emirates Mars Mission

A video on UAE's first mission to Mars

Humans lived in America 30,000 years ago, far earlier than thought: study

The research also implicated humans in the extinctions of many large Ice Age mammals such as mammoths and camels.

Live chat with Neuropsychiatrist Dr. Ennapadam S. Krishnamoorthy on The Hindu's Instagram

Following World Brain Day on July 22, the founder of Buddhi Clinic will discuss why quietude, food and your family impact the nerve centre

Coronavirus | India will have to deliver vaccine on a scale never seen before: Oxford scientist Andrew Pollard

Director of the Oxford Vaccine Group Andrew Pollard shares with Narayan Lakshman deep insights into the coronavirus endgame scenarios that might now be on the table

Coronavirus | Serum Institute has begun manufacturing Oxford COVID-19 vaccine

Institute will seek permission to carry out a phase-3 trial in India.

IIT-M researchers use artificial materials and ultrasound to detect defects in large structures

Conventional bulk ultrasonic inspection is tedious and time-consuming

Pandemic may call for sustained support for health-care workers

Managers of health-care workers must anticipate effects of stresses peculiar to the present crisis

Question Corner: How does a lizard lose its tail?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Study finds evidence of vertical transmission of coronavirus across the placenta

Placenta, amniotic fluid and baby’s blood, nasopharyngeal and rectal samples tested positive

Arming India’s poor against the pandemic

Vitamins and nutritious food subsidy are indispensable in this fight

Previously unknown faults at the foot of the Himalaya discovered

These could cause earthquakes in the densely populated Nepal region

Sunday Quiz: Easy like Sunday morning

Mistakes are the portals of discovery: James Joyce

C.S. Seshadri, a leader in algebraic geometry

He achieved several breakthroughs that lie at the base of many branches of the profound discipline

NASA's Hubble successor delayed again by virus, other issues

“Mission success is critical, but team safety is our highest priority.”

Coronavirus | Districts in M.P., Bihar, Telangana most vulnerable, says Lancet study

Measured across five domains — socioeconomic, demographic, housing and hygiene, epidemiological, health system — the research's definition of 'vulnerable' means the risk of consequences of infection, including spread, morbidity, mortality, and social and economic effects of the pandemic.

Solar probe reveals sun's tiny 'campfires' in closest-ever photos

The photographs offer clues about the extreme heat of the outermost part of sun’s atmosphere.

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